spd.interpolate | R Documentation |
Function smoothly interpolates between two SPD matrices x
and y
.
The interpolation is parametrized by t
, where t=0
returns x
,
t=1
returns y
, and t=.5
returns the mean of x
and y
spd.interpolate(x, y, t, method = "euclidean", ...)
x, y |
Symmetric, positive-definite matrices |
t |
Interpolation parameter in |
method |
Type of interpolation (see details) |
Allowable distance measures are
"euclidean": Euclidean interpolation (1-t)x + ty
"logeuclidean": Euclidean interpolation in the tangent space.
"riemannian": Interpolation along the geodesic path from x
to y
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